“LES INSTRUMENTS DE MUSIQUE AU BAS-CONGO ET DANS LES REGIONS AVOISINAN- TES: Par Bertil Soderberg. Stockholm: Ethnographical Museum of Sweden, monograph series, publication No. 3, 1956. Pp. 284; 26 plates; 25 text-diagrams; 1 map. 60 kroner” (1957) African Music : Journal of the International Library of African Music, 1(4), p. 61. doi:10.21504/amj.v1i4.472.